Habitat selection - Habitat selection Rob Fletcher...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Habitat selection Rob Fletcher Department of Wildlife Ecology and Conservation What is a habitat? What is a habitat? There are two views: 1) A vegetation type that is more or less homogeneous throughout, and that is physiognomically distinct from other such types 2) The resources and conditions present in an area that produce occupancy—including survival and reproduction—by an organism. Habitat is organism-specific (Hall et al. 1997) What is habitat use? The extent to which different vegetative associations are used What is habitat selection? The process in which an animal actually chooses a habitat What is habitat preference? A reflection of the likelihood of a habitat being selected if offered on an equal basis with other habitats Garshellis (2000) The importance of habitat selection • A crucial decision in animal behavior: From where to forage... ...To where to reproduce Least flycatcher nest Tricolor heron foraging The importance of habitat selection • A crucial decision in animal behavior • Strong direct and indirect fitness consequences Olive-sided flycatchers suffer lower nest success in clearcuts than in naturally burned forests The importance of habitat selection • A crucial decision in...
View Full Document

This document was uploaded on 08/24/2011.

Page1 / 26

Habitat selection - Habitat selection Rob Fletcher...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online